This where I post CTF writeups, project updates, and things I find interesing.
You can find my main page at atch2203.github.io.
Recent Posts
Ghostscript CVE-2025-27835 Analysis
Posted on:October 23, 2025 at 12:00 AMAn analysis of the exploit chain in CVE-2025-27835
Bonk4cash author writeup
Posted on:April 21, 2025 at 12:00 AMAuthor writeup for UMassCTF 2025 web challenge
The quest for unbreakable diabolo LED sticks
Posted on:April 20, 2025 at 12:00 AMA journey of trials, errors, and RGB LEDs (with a side of magforce rings)
How to take apart an 8 bit computer
Posted on:March 19, 2025 at 12:00 AMA CS 335H project